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Finding the Fourth Proportional to 64,105.98, 88,466.49 and 35,812.14

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Solution

The fourth proportional to 64,105.98, 88,466.49 and 35,812.14 is: 49,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,105.98 : 88,466.49 = 35,812.14 : x
  2. Step 2: Convert to fraction form
    64,105.98/88,466.49 = 35,812.14/x
  3. Step 3: Cross multiply
    64,105.98x = 88,466.49 × 35,812.14
  4. Step 4: Simplify right side
    64,105.98x = 3,168,174,325.19
  5. Step 5: Solve for x
    x = 3,168,174,325.19/64,105.98
  6. Step 6: Final answer
    x = 49,420.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.